--- strace-4.11.orig/linux/nios2/syscallent.h	2015-07-13 00:31:40.000000000 +0200
+++ strace-4.11/linux/nios2/syscallent.h	2015-12-25 15:36:04.814035892 +0100
@@ -1,4 +1,4 @@
-#define ARCH_mmap mmap_pgoff
+#define sys_ARCH_mmap sys_mmap_pgoff
 #include "32/syscallent.h"
 [244] = {4,    0,	SEN(cacheflush), "cacheflush"},
 [245 ... 259] = { },